Science

Wednesday, 20 May 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Silver
The largest silver producer in Europe is Poland.
The Lower Silesian copper and silver deposits, exploited by KGHM Polska Miedź, were in second place ...
Deimos
The area of Deimos is only 483,05 square kilometers.
Deimos
Unlike Phobos, Deimos rises in the east and sets in the west of the Martian sky.
Silver
Silver also has the highest thermal conductivity, the brightest color, and the highest light reflectance among metals for visible light.
Aluminum (Al) reflects ultraviolet light even more.
Silver
Silver occurs in nature in its native form (a rare mineral consisting mainly of metallic silver), along with sulfur, arsenic, antimony and chlorine.
It is also found in the ores: argentite (a rare mineral from the sulfide group), chlorargyrite (a ve ...
Large Magellanic Cloud
It is located in the constellation of Dorado and Mensa.
Enceladus
There are geyser-like fissures on the surface of Enceladus that eject streams of water vapor and dust into its atmosphere at speeds of about 400 m/s.
The ejected material rises to an altitude of 1500 km above the moon's surface.
Earth
It is similar with the oceans - depending on the divisions, there are from three to five of them.
We distinguish oceans: Pacific, Atlantic, Indian, Southern, and Arctic. The basic ones are considere ...
Milky Way
The Milky Way is a barred spiral galaxy of type SBbc.
A bright band of stars, gas, and dust runs through the center of the galaxy (forming a bar), with ar ...
NASA
Apollo 13 launched on April 11th, 1970, and was forced to cancel the landing on the lunar surface (precisely on the Fra Mauro site), because of the explosion of an oxygen tank.
Fortunately, the lunar module served as a lifeboat and returned the crew safely back to Earth.